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minio/main.go

143 lines
3.4 KiB

/*
* Minimalist Object Storage, (C) 2015 Minio, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package main
import (
"fmt"
"os"
"os/user"
"runtime"
"strconv"
"time"
"github.com/dustin/go-humanize"
"github.com/minio/cli"
"github.com/minio/minio/pkg/iodine"
)
var globalDebugFlag = false
var flags = []cli.Flag{
cli.StringFlag{
Name: "address",
Value: ":9000",
Usage: "ADDRESS:PORT for object storage access",
},
cli.StringFlag{
Name: "address-mgmt",
Hide: true,
Value: ":9001",
Usage: "ADDRESS:PORT for management console access",
},
cli.IntFlag{
Name: "ratelimit",
Value: 16,
Usage: "Limit for total concurrent requests: [DEFAULT: 16]",
},
cli.StringFlag{
Name: "cert",
Usage: "Provide your domain certificate",
},
cli.StringFlag{
Name: "key",
Usage: "Provide your domain private key",
},
cli.BoolFlag{
Name: "debug",
Usage: "print debug information",
},
}
func init() {
// Check for the environment early on and gracefuly report.
_, err := user.Current()
if err != nil {
Fatalf("Unable to obtain user's home directory. \nError: %s\n", err)
}
}
// Tries to get os/arch/platform specific information
// Returns a map of current os/arch/platform/memstats
func getSystemData() map[string]string {
host, err := os.Hostname()
if err != nil {
host = ""
}
memstats := &runtime.MemStats{}
runtime.ReadMemStats(memstats)
mem := fmt.Sprintf("Used: %s | Allocated: %s | Used-Heap: %s | Allocated-Heap: %s",
humanize.Bytes(memstats.Alloc),
humanize.Bytes(memstats.TotalAlloc),
humanize.Bytes(memstats.HeapAlloc),
humanize.Bytes(memstats.HeapSys))
platform := fmt.Sprintf("Host: %s | OS: %s | Arch: %s",
host,
runtime.GOOS,
runtime.GOARCH)
goruntime := fmt.Sprintf("Version: %s | CPUs: %s", runtime.Version(), strconv.Itoa(runtime.NumCPU()))
return map[string]string{
"PLATFORM": platform,
"RUNTIME": goruntime,
"MEM": mem,
}
}
func main() {
// set up iodine
iodine.SetGlobalState("minio.version", Version)
iodine.SetGlobalState("minio.starttime", time.Now().Format(time.RFC3339))
// set up go max processes
runtime.GOMAXPROCS(runtime.NumCPU())
// set up app
app := cli.NewApp()
app.Name = "minio"
app.Version = getVersion()
app.Compiled = getVersion()
app.Author = "Minio.io"
app.Usage = "Minimalist Object Storage"
app.Flags = flags
app.Commands = commands
app.Before = func(c *cli.Context) error {
if c.GlobalBool("debug") {
app.ExtraInfo = getSystemData()
}
return nil
}
app.CustomAppHelpTemplate = `NAME:
{{.Name}} - {{.Usage}}
USAGE:
{{.Name}} {{if .Flags}}[global flags] {{end}}command{{if .Flags}} [command flags]{{end}} [arguments...]
COMMANDS:
{{range .Commands}}{{join .Names ", "}}{{ "\t" }}{{.Usage}}
{{end}}{{if .Flags}}
GLOBAL FLAGS:
{{range .Flags}}{{.}}
{{end}}{{end}}
VERSION:
{{if .Compiled}}
{{.Compiled}}{{end}}
{{range $key, $value := .ExtraInfo}}
{{$key}}:
{{$value}}
{{end}}
`
app.RunAndExitOnError()
}